Bump io.grpc:grpc-auth from 1.60.0 to 1.61.1

Bumps [io.grpc:grpc-auth](https://github.com/grpc/grpc-java) from 1.60.0 to 1.61.1.
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.60.0...v1.61.1)

---
updated-dependencies:
- dependency-name: io.grpc:grpc-auth
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ kotlinx-coroutines-core-jvm = { group = "org.jetbrains.kotlinx", name = "kotlinx
 kotlinx-coroutines-debug = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-debug", version = "1.8.0" }
 grpc-protobuf = { group = "io.grpc", name = "grpc-protobuf", version = "1.60.0" }
 grpc-alts = { group = "io.grpc", name = "grpc-alts", version = "1.60.0" }
-grpc-auth = { group = "io.grpc", name = "grpc-auth", version = "1.60.0" }
+grpc-auth = { group = "io.grpc", name = "grpc-auth", version = "1.61.1" }
 grpc-netty = { group = "io.grpc", name = "grpc-netty", version = "1.60.0" }
 grpc-okhttp = { group = "io.grpc", name = "grpc-okhttp", version = "1.60.0" }
 grpc-testing = { group = "io.grpc", name = "grpc-testing", version = "1.60.0" }